The Edwin Hawkins Singers

AllMusic Wikipedia

Edwin Reuben Hawkins (August 19, 1943 – January 15, 2018) was an American gospel musician, pianist, choir master, composer, and arranger. He was one of the originators of the urban contemporary gospel sound. He (as leader of the Edwin Hawkins Singers) was probably best known for his arrangement of "Oh Happy Day" (1968–69), which was included on the "Songs of the Century" list. The Edwin Hawkins Singers made a second foray into the charts exactly one year later, backing folk singer Melanie on "Lay Down (Candles in the Rain)".

(Wikipedia)